Mr. Masato Yamada was appointed as a new auditor in the shareholders meeting on June 18th, 2025.
The directors and auditors of MMC RYOTEC Corporation as shown below:

President and CEO

Katsu Yamamoto

Executive Director

Yuichiro Terao

Director

Akihiro Saburi

Director

Naruto Takahashi

Director

Hiroshi Ichikawa

Outside Director

Jun Kishino
(General Manager of Gifu plant, Metalworking Solutions Company, Mitsubishi Materials Corporation)

Outside Director

Yoichi Akashi
(General Manager of Business Strategy Div., Metalworking Solutions Company, Mitsubishi Materials Corporation)

Auditor

Masato Yamada

Outside Auditor

Shigeo Shimizu
(Manager of Gifu plant, Metalworking Solutions Company, Mitsubishi Materials Corporation)